:root {
  --color-primary: darkseagreen;
  --color-secondary: salmon;
  --color-focused: cornflowerblue;
  --color-light: #fff;
  --color-dark: #212121;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: whitesmoke;
}

a {
  text-decoration: none;
  cursor: pointer;
  color: inherit;
}

nav {
  padding: 1rem;
  color: var(--color-light);
  background-color: var(--color-dark);
  font-family: Arial, sans-serif;
}

h1, h2, h3 {
  margin: 0;
  color: var(--color-primary);
}

label {
	display: block;
	margin: 1rem 0 3px 0;
}

.container {
	max-width: min(786px,90vw);
	margin: 1rem auto;
	background-color: white;
}

.back-icon {
  width: 2rem;
  height: 1.15rem;
  fill: currentColor;
}

.hidden {
  display: none;
}

.flex-row {
  display: flex;
  flex-direction: row;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-center {
  justify-content: center;
  align-items: center;
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }
.flex-3 { flex: 3; }

.flex-none {
  flex: none;
}

.flex-gap    { gap: 0.67rem; }
.flex-gap-sm { gap: 0.34rem; }
.flex-gap-lg { gap: 1.34rem; }

.flex-base-mobile {
  flex-basis: 320px;
}

.space-between {
  justify-content: space-between;
}

.space-around {
  justify-content: space-around;
}

.align-center {
  align-items: center;
}

.center {
  text-align: center
}

.nowrap {
  white-space: nowrap;
}

.h100 {
  height: 100%;
}

.w100 {
  width: 100%;
}

.p0 { padding: 0; }
.p1 { padding: 0.67rem; }
.p2 { padding: 1.34rem; }

.px0 { padding-inline: 0; }
.px1 { padding-inline: 0.67rem; }
.px2 { padding-inline: 1.34rem; }

.py0 { padding-block: 0; }
.py1 { padding-block: 0.67rem; }
.py2 { padding-block: 1.34rem; }

.mt0 { margin-block-start: 0; }
.mt1 { margin-block-start: 0.67rem; }
.mt2 { margin-block-start: 1.34rem; }

.mb0 { margin-block-end: 0; }
.mb1 { margin-block-end: 0.67rem; }
.mb2 { margin-block-end: 1.34rem; }

.busy {
  cursor: wait;
}